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Earth science

Keeping score on the core

Getting to the bottom of events at the boundary between Earth's core and mantle is fiendishly difficult. The latest analysis invokes evidence from an isotope of tungsten to conclude that the two do not interact.

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Figure 1: Alternative interpretations of core–mantle interaction as surmised from the tungsten isotope 182W.


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Hauri, E. Keeping score on the core. Nature 427, 207–208 (2004).

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